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Gaia spectroscopy: processing, performances and scientific returns

  • C. Turon, F. Meynadier, F. Arenou, D. Katz (a1), M. Cropper (a2), F. Meynadier (a1), A. Jean-Antoine (a3), C. Allende Prieto (a4), S. Baker (a2), K. Benson (a2), J. Berthier (a5), L. Bigot (a6), R. Blomme (a7), S. Boudreault (a2), L. Chemin (a8), F. Crifo (a1), Y. Damerdji (a9), M. David (a10), P. David (a5), C. Delle Luche (a1), C. Dolding (a2), Y. Frémat (a7), N. Gerbier (a3), J. Gerssen (a11), A. Gómez (a1), E. Gosset (a9), A. Guerrier (a3), L. Guy (a12), D. Hall (a13), D. Hestroffer (a5), H. Huckle (a2), G. Jasniewicz (a14), H.-G. Ludwig (a15), C. Martayan (a1), T. Morel (a9), A.-T. Nguyen (a3), P. Ocvirk (a11), C. Parr (a2), F. Royer (a1), P. Sartoretti (a1), G. Seabroke (a2), E. Simon (a3), M. Smith (a2), C. Soubiran (a8), M. Steinmetz (a11), F. Thévenin (a6), C. Turon (a1), S. Udry (a12), L. Veltz (a11) and Y. Viala (a1)...

Abstract

During the five years of the mission, the Gaia spectrograph, the Radial Velocity Spectrometer (RVS) will repeatedly survey the celestial sphere down to magnitude V ~ 17–18. This talk presents: (i) the system which is currently developed within the Gaia Data Processing and Analysis Consortium (DPAC) to reduce and calibrate the spectra and to derive the radial and rotational velocities, (ii) the RVS expected performances and (iii) scientific returns.

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References

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[1] Crifo, F., Jasniewicz, G., Soubiran, C., et al., 2010, A&A, in press
[2] Cropper, M., & Katz, D., 2010, in these proceedings; Gaia: at the frontiers of astrometry, ed. C. Turon, F. Arenou, & F. Meynadier
[3] Jasniewicz, G., Crifo, F., Soubiran, C., et al., 2010, in these proceedings; Gaia: at the frontiers of astrometry., ed. C. Turon, F. Meynadier & F. Arenou
[4] Katz, D., 2009, in SF2A-2009: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, ed. M. Heydari-Malayeri, C. Reylé, & R. Samadi, 57
[5]Katz, D., Munari, U., Cropper, M., et al., 2004, MNRAS, 354, 1223
[6] Lindegren, L., 2010, in IAU Symposium, Vol. 261, “Relativity in Fundamental Astronomy: Dynamics, Reference Frames, and Data Analysis”, ed. S.A. Klioner, P.K. Seidelmann, & M.H. Soffel, 296
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[8]Munari, U., Tomasella, L., Fiorucci, M., et al., 2008, A&A, 488, 969
[9]Wilkinson, M.I., Vallenari, A., Turon, C., et al., 2005, MNRAS, 359, 1306

Gaia spectroscopy: processing, performances and scientific returns

  • C. Turon, F. Meynadier, F. Arenou, D. Katz (a1), M. Cropper (a2), F. Meynadier (a1), A. Jean-Antoine (a3), C. Allende Prieto (a4), S. Baker (a2), K. Benson (a2), J. Berthier (a5), L. Bigot (a6), R. Blomme (a7), S. Boudreault (a2), L. Chemin (a8), F. Crifo (a1), Y. Damerdji (a9), M. David (a10), P. David (a5), C. Delle Luche (a1), C. Dolding (a2), Y. Frémat (a7), N. Gerbier (a3), J. Gerssen (a11), A. Gómez (a1), E. Gosset (a9), A. Guerrier (a3), L. Guy (a12), D. Hall (a13), D. Hestroffer (a5), H. Huckle (a2), G. Jasniewicz (a14), H.-G. Ludwig (a15), C. Martayan (a1), T. Morel (a9), A.-T. Nguyen (a3), P. Ocvirk (a11), C. Parr (a2), F. Royer (a1), P. Sartoretti (a1), G. Seabroke (a2), E. Simon (a3), M. Smith (a2), C. Soubiran (a8), M. Steinmetz (a11), F. Thévenin (a6), C. Turon (a1), S. Udry (a12), L. Veltz (a11) and Y. Viala (a1)...

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